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17 lines
988 B
Markdown
17 lines
988 B
Markdown
---
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title: "round-trip-engineering"
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aliases: Round Trip Engineering
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tags:
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- info201
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---
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This is the process of translating models into code, or vice versa. For example, ERDs to SQL, or UML to Java. The main idea is to keep the code and the diagrams sematically equivalent
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Converting diagrams to code is more common than the opposite, but both do occur. This is [reverse engineering](notes/uml-java-reverse-engineering.md)
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A model driven architecture is when the code is completely derived from diagrams. This tends to be quite difficult. A much easier approach is only using foward engineering to generate skeleton code.
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[uml-java-forward-engineering](notes/uml-java-forward-engineering.md) is easier with SQL and ERDs than other types as these don't consider behaviour, so the mapping is more simple than with UML and Java.
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Although this idea sounds good, it is not practical. The main argument is that code is part of the design anyway - Code is just a detailed form of a model.
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